On 28/08/18 17:05, Suzy Ariyani ([email protected]) wrote:
> Kemarin dan hari ini ada masalah dlm pengiriman email dari HSBC ke
> ptbmi.com –> [email protected] dan [email protected]
> Ini header email-nya:


Yang perlu saya lihat transaksi mail dari sender hsbc.com.sg di smtp-in
log bb.ptbmi.com

Tetapi besar dugaan saya sender host connected ke bb.ptbmi.com hanya
saja tidak kirim mail data karena seingat saya semua server hsbc menolak
kirim mail ke receiver yang tidak mengaktifkan SMTP/TLS.

Aktifkan SMTP/TLS di server bb.ptbmi.com agar bisa terima langsung dari
server hsbc family.


https://www.mail-archive.com/[email protected]/msg43010.html
https://www.mail-archive.com/[email protected]/msg43011.html


> Menurut DNet Crew:
> Remote Server returned '<[202.148.25.131] #5.0.0 smtp; 550 Denied by policy. 
> TLS conversation required.>'
> Berdasarkan log yg kami terima dr ibu, diatas menjelaskan bahwa email dr hsbc 
> tertolak karena "denied by policy" oleh bb.ptbmi.com


Mestinya sih tidak demikian.
Lihat hasil test dibawah ini

$ openssl s_client -debug -starttls smtp -crlf -connect bb.ptbmi.com:25
CONNECTED(00000003)

---
no peer certificate available
---
No client certificate CA names sent
---
SSL handshake has read 270 bytes and written 324 bytes
---
New, (NONE), Cipher is (NONE)
Secure Renegotiation IS NOT supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
    Protocol  : TLSv1.2
    Cipher    : 0000
    Session-ID:
    Session-ID-ctx:
    Master-Key:
    Key-Arg   : None
    Krb5 Principal: None
    PSK identity: None
    PSK identity hint: None
    Start Time: 1535448396
    Timeout   : 300 (sec)
    Verify return code: 0 (ok)

SMTP/TLS di bb.ptbmi.com tidak aktif.

bandingkan dengan ini (yang SMTP/TLS nya aktif).

$ openssl s_client -debug -starttls smtp -crlf -connect
relayhost.dutaint.com:25
CONNECTED(00000003)

depth=2 O = Digital Signature Trust Co., CN = DST Root CA X3
verify return:1
depth=1 C = US, O = Let's Encrypt, CN = Let's Encrypt Authority X3
verify return:1
depth=0 CN = dip32.dutaint.com
verify return:1

Certificate chain
 0 s:/CN=dip32.dutaint.com
   i:/C=US/O=Let's Encrypt/CN=Let's Encrypt Authority X3
 1 s:/C=US/O=Let's Encrypt/CN=Let's Encrypt Authority X3
   i:/O=Digital Signature Trust Co./CN=DST Root CA X3
---
Server certificate

subject=/CN=dip32.dutaint.com
issuer=/C=US/O=Let's Encrypt/CN=Let's Encrypt Authority X3
---
No client certificate CA names sent
Peer signing digest: SHA1
Server Temp Key: ECDH, P-521, 521 bits
---
SSL handshake has read 3675 bytes and written 574 bytes
---
New, TLSv1/SSLv3, Cipher is ECDHE-RSA-AES256-SHA384
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
    Protocol  : TLSv1.2
    Cipher    : ECDHE-RSA-AES256-SHA384
    Session-ID:
F93B00004C13F135A549BCA119578F60ED565B9B8F5ED85CF64742D6F5C04D30
    Session-ID-ctx:
    Master-Key:
8941689FDF8A1D9A68CEC71E13C0C07900CC88606C4F1D0E54A91B322E1DA2B9155021969756DC5C6774CAA331970C6D
    Key-Arg   : None
    Krb5 Principal: None
    PSK identity: None
    PSK identity hint: None
    Start Time: 1535453289
    Timeout   : 300 (sec)
    Verify return code: 0 (ok)
---
250 SIZE 35840000


-- 
syafril
-------
Syafril Hermansyah
MDaemon-L Moderators, running MDaemon 18.5.0-64 bit Beta B
Harap tidak cc: atau kirim ke private mail untuk masalah MDaemon.

Learning is not attained by chance, it must be sought for with ardour
and attended to with diligence.
        --- Abigail Adams


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